📄 wcsspn.html

📁 unix 下的C开发手册,还用详细的例程。

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>wcsspn</title></head><body bgcolor=white><center><font size=2>The Single UNIX &reg; Specification, Version 2<br>Copyright &copy; 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_010_599">&nbsp;</a>NAME</h4><blockquote>wcsspn - get length of a wide substring</blockquote><h4><a name = "tag_000_010_600">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="wchar.h.html">wchar.h</a>&gt;size_t wcsspn(const wchar_t *<i>ws1</i>, const wchar_t *<i>ws2</i>);</code></pre></blockquote><h4><a name = "tag_000_010_601">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>wcsspn()</i>function computes the length of the maximum initial segment of thewide-character string pointed to by<i>ws1</i>which consists entirely of wide-character codes from thewide-character string pointed to by<i>ws2</i>.</blockquote><h4><a name = "tag_000_010_602">&nbsp;</a>RETURN VALUE</h4><blockquote>The<i>wcsspn()</i>function returns the length<i>ws1</i>;no return value is reserved to indicate an error.</blockquote><h4><a name = "tag_000_010_603">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_010_604">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_605">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_606">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_607">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="wcscspn.html">wcscspn()</a></i>,<i><a href="wchar.h.html">&lt;wchar.h&gt;</a></i>.</blockquote><h4>DERIVATION</h4><blockquote>Derived from the MSE working draft.</blockquote><hr size=2 noshade><center><font size=2>UNIX &reg; is a registered Trademark of The Open Group.<br>Copyright &copy; 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>

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